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In the CNS, neurogenesis, the birth of new neurons from stem cells, is limited to the hippocampus in adults. In other regions of the brain and spinal cord, neurogenesis is almost non-existent due to inhibitory influences from neuroglia, especially oligodendrocytes, and the absence of growth-stimulating cues. The myelin produced by oligodendrocytes in the CNS inhibits neuronal regeneration. Furthermore, astrocytes proliferate rapidly after neuronal damage, forming scar tissue that physically...
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  1. Home
  3. Favorable Neurological Recovery After Prolonged Absence Of Antegrade Cerebral Blood Flow During Congenital Heart Surgery: A Case Suggesting The Role Of Retrograde Perfusion.
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  3. Favorable Neurological Recovery After Prolonged Absence Of Antegrade Cerebral Blood Flow During Congenital Heart Surgery: A Case Suggesting The Role Of Retrograde Perfusion.

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Favorable Neurological Recovery After Prolonged Absence of Antegrade Cerebral Blood Flow During Congenital Heart

Koji Hoshino1, Sora Takeuchi1, Kazuhiro Urabe1

  • 1Department of Anesthesiology, Hokkaido University Hospital, Sapporo, JPN.

Cureus
|June 13, 2025

View abstract on PubMed

Summary
This summary is machine-generated.
Keywords:
cardiac arrestcardiopulmonary resuscitationcongenital heart disease (chd)near-infrared spectroscopyretrograde cerebral perfusion

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Retrograde cerebral perfusion may protect the brain during pediatric cardiac arrest when central venous pressure is high. This rare event may prevent neurological damage despite absent antegrade flow during surgery.

Area of Science:

  • Cardiology
  • Neurology
  • Pediatric Surgery

Background:

  • Intraoperative cardiac arrest in pediatric congenital heart disease surgery carries a high risk of mortality and neurological deficits.
  • Antegrade cerebral perfusion is the typical mechanism during cardiopulmonary resuscitation.
  • Retrograde cerebral flow has not been previously documented.

Observation:

  • A 12-year-old girl experienced cardiac arrest during surgery for congenitally corrected transposition of the great arteries due to massive hemorrhage.
  • Antegrade cerebral flow was likely absent for 15 minutes.
  • Near-infrared spectroscopy indicated cerebral perfusion via retrograde venous flow, with increased deoxygenated hemoglobin and preserved total hemoglobin.

Findings:

  • The patient recovered without neurological sequelae despite the prolonged period without antegrade cerebral flow.
  • Maintaining central venous pressure between 15-25 mmHg through rapid transfusion appeared crucial.
  • This suggests retrograde cerebral perfusion can occur when central venous pressure is adequately maintained.

    • Implications:

    • Retrograde cerebral perfusion may be a protective mechanism during pediatric cardiac arrest.
    • Maintaining adequate central venous pressure could be a strategy to improve neurological outcomes in such critical situations.
    • This case challenges the understanding of cerebral perfusion during cardiopulmonary resuscitation and cardiac arrest.